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<?php
/**
* @package Joomla.Platform
* @subpackage Database
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
jimport('joomla.database.tablenested');
/**
* Table class supporting modified pre-order tree traversal behavior.
*
* @package Joomla.Platform
* @subpackage Database
* @link http://docs.joomla.org/JTableAsset
* @since 11.1
*/
class JTableAsset extends JTableNested
{
/**
* The primary key of the asset.
*
* @var integer
* @since 11.1
*/
public $id = null;
/**
* The unique name of the asset.
*
* @var string
* @since 11.1
*/
public $name = null;
/**
* The human readable title of the asset.
*
* @var string
* @since 11.1
*/
public $title = null;
/**
* The rules for the asset stored in a JSON string
*
* @var string
* @since 11.1
*/
public $rules = null;
/**
* Constructor
*
* @param JDatabase &$db A database connector object
*
* @since 11.1
*/
public function __construct(&$db)
{
parent::__construct('#__assets', 'id', $db);
}
/**
* Method to load an asset by it's name.
*
* @param string $name The name of the asset.
*
* @return integer
*
* @since 11.1
*/
public function loadByName($name)
{
// Get the JDatabaseQuery object
$query = $this->_db->getQuery(true);
// Get the asset id for the asset.
$query->select($this->_db->quoteName('id'));
$query->from($this->_db->quoteName('#__assets'));
$query->where($this->_db->quoteName('name') . ' = ' . $this->_db->quote($name));
$this->_db->setQuery($query);
$assetId = (int) $this->_db->loadResult();
if (empty($assetId))
{
return false;
}
// Check for a database error.
if ($error = $this->_db->getErrorMsg())
{
$this->setError($error);
return false;
}
return $this->load($assetId);
}
/**
* Asset that the nested set data is valid.
*
* @return boolean True if the instance is sane and able to be stored in the database.
*
* @link http://docs.joomla.org/JTable/check
* @since 11.1
*/
public function check()
{
$this->parent_id = (int) $this->parent_id;
// JTableNested does not allow parent_id = 0, override this.
if ($this->parent_id > 0)
{
// Get the JDatabaseQuery object
$query = $this->_db->getQuery(true);
$query->select('COUNT(id)');
$query->from($this->_db->quoteName($this->_tbl));
$query->where($this->_db->quoteName('id') . ' = ' . $this->parent_id);
$this->_db->setQuery($query);
if ($this->_db->loadResult())
{
return true;
}
else
{
if ($error = $this->_db->getErrorMsg())
{
$this->setError($error);
}
else
{
$this->setError(JText::_('JLIB_DATABASE_ERROR_INVALID_PARENT_ID'));
}
return false;
}
}
return true;
}
}